package com.itheima.reggie.controller;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.itheima.reggie.commom.R;
import com.itheima.reggie.entity.Employee;
import com.itheima.reggie.mapper.EmployeeMapper;
import com.itheima.reggie.service.EmployeeService;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.util.DigestUtils;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;

import javax.servlet.http.HttpServletRequest;

@Slf4j
@RestController
@RequestMapping("/employee")
public class EmployeeController {
  @Autowired
  private EmployeeService employeeService;

  @PostMapping("/login")
  public R<Employee> login(HttpServletRequest request,@RequestBody Employee employee){

    //1、将页面提交的密码password进行md5加密处理
    String password = employee.getPassword();
    password = DigestUtils.md5DigestAsHex(password.getBytes());

    //2、根据页面提交的用户名username查询数据库
    LambdaQueryWrapper<Employee> queryWrapper = new LambdaQueryWrapper<>();
    queryWrapper.eq(Employee::getUsername,employee.getUsername());
    Employee emp = employeeService.getOne(queryWrapper);

    //3、如果没有查询到则返回登录失败结果
    if(emp == null){
      return R.error("登录失败");
    }

    //4、密码比对，如果不一致则返回登录失败结果
    if(!emp.getPassword().equals(password)){
      return R.error("登录失败");
    }

    //5、查看员工状态，如果为已禁用状态，则返回员工已禁用结果
    if(emp.getStatus() == 0){
      return R.error("账号已禁用");
    }

    //6、登录成功，将员工id存入Session并返回登录成功结果
    request.getSession().setAttribute("employee",emp.getId());
    return R.success(emp);
  }
  @PostMapping("/logout")
  public R<String> logout (HttpServletRequest request){
    request.getSession().removeAttribute("employee");
    return  R.success("退出成功");
  }
}

